Alert archive / Missouri / Flash Flood Watches in 2019

Flash Flood Watch 9, NWS Kansas City, MO

June 22, 201937 counties in Missouri; 7 counties in Kansas

NWS Kansas City, MO issued this flash flood watch at Jun 22, 2019, 2:48 PM CDT for 37 counties in Missouri; 7 counties in Kansas. It took effect at Jun 22, 2019, 7:00 PM CDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Jun 22, 2019, 2:48 PM CDT (19:48 UTC)
In effect from: Jun 22, 2019, 7:00 PM CDT
Expired: Jun 23, 2019, 1:55 PM CDT
In force: 19 hr
Issued by: NWS Kansas City, MO
Flood severity: None

All 44 counties

Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 84 km from the middle of the area, began a volume at 19:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.8 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2321 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this flash flood watch went out at Jun 22, 12:23 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Jun 22, 12:23 PM CDT, 2 hours 25 minutes before

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Hazardous weather outlook, Jun 22, 12:44 PM CDT, 2 hours 4 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
1244 PM CDT Sat Jun 22 2019

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-231745-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
1244 PM CDT Sat Jun 22 2019

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...This Afternoon and Tonight

 Severe storms are possible later this afternoon into tonight across
 the entire area. All modes of severe are possible including
 damaging winds, large hail, and a tornado or two. In addition,
 heavy rain is expected with these storms which could lead to flash
 flooding as well as additional river flooding.

 More detailed information can be
 accessed at... https://www.weather.gov/eax/hwo

.DAYS TWO THROUGH SEVEN...Sunday through Friday

 Multiple rounds of storms are possible Sunday with some lingering
 storms in the morning and then redevelopment in the afternoon. The
 storms in the afternoon could become severe with large hail,
 damaging winds, and a few tornadoes possible. By Monday there could
 be 2 to 3 inches of rainfall over the region with some areas seeing
 localized amounts higher than that, mainly north of the Missouri
 River. This will likely aggravate river flooding and may cause some
 flash flooding issues.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 8:36 PM CDT	River Flood Warning	EAX	Linn, Livingston	5 days
Jun 21, 9:45 PM CDT	Special Weather Statement	EAX	Gentry	30 min
Jun 21, 10:20 PM CDT	Special Weather Statement	EAX	Harrison	40 min
Jun 21, 10:23 PM CDT	Areal Flood Advisory	EAX	Gentry, Harrison, Worth	3 hr
Jun 21, 11:27 PM CDT	Areal Flood Advisory	EAX	Grundy, Mercer, Sullivan	3 hr
Jun 22, 7:05 AM CDT	Special Weather Statement	EAX	Bates	40 min
Jun 22, 7:52 AM CDT	River Flood Warning	EAX	Buchanan	3 days
Jun 22, 7:52 AM CDT	River Flood Warning	EAX	Platte	5 days
Jun 22, 7:52 AM CDT	River Flood Warning	EAX	Platte	5 days
Jun 22, 8:36 AM CDT	Special Weather Statement	EAX	Adair, Schuyler	39 min
Jun 22, 4:58 PM CDT	Special Weather Statement	EAX	Andrew, Buchanan	32 min
Jun 22, 5:02 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan	28 min
Jun 22, 5:04 PM CDT	Severe Thunderstorm Warning	EAX	DeKalb, Gentry	26 min
Jun 22, 5:13 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	47 min
Jun 22, 5:29 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, DeKalb, Gentry, Harrison, Holt and 2 more	31 min
Jun 22, 5:39 PM CDT	Flash Flood Warning	EAX	Andrew, Buchanan, DeKalb, Gentry, Harrison, Holt and 3 more	15 hr
Jun 22, 5:58 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clinton, Platte	32 min
Jun 22, 6:01 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry, Harrison	29 min
Jun 22, 6:38 PM CDT	Special Weather Statement	EAX	Daviess, Harrison	52 min
Jun 22, 9:33 AM CDT	River Flood Warning	EAX	Atchison	46 hr
Jun 22, 9:33 AM CDT	River Flood Warning	EAX	Atchison, Leavenworth	59 hr
Jun 22, 6:42 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	33 min

Nearby

Flash Flood Watches in Missouri, 2019 Flash Flood Watches in Kansas, 2019 Every flash flood watch in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.